Screw Size Chart (continued):
Use the chart below
to match the size and shape of the screws used in the
computer you are servicing.
GG
QQ
JJ
SS
KK
TT
MM
WW
HH
RR
LL
UU
NN
XX
PP
Silver
Silver
Silver
Silver
Black
Black
Black
Black
Brass
Brass
Brass
Brass
Brass
Brass
Brass
22 IBM Mobile Systems HMM